Arator's Secret (Sophie Watson #6)

An ancient secret. A deadly chase. Two girls who are fighting to save the world. In the historic city of Birchester, built on the ruins of Roman Britain, Sophie and Sienna are exploring the famous sites. But when Sophie receives a message from an unlikely source, the girls are thrust into a terrifying adventure.

Hidden beneath the city's crumbling ruins lies a powerful secret. It can create fortunes and build empires, and Sophie knows they must locate it before it's too late. A dangerous fugitive is also on its trail, and he will stop at nothing to get the power he craves.

Time is running out, and the darkness is closing in. Can the girls be the first to find Arator's Secret?